import java.util.Scanner;

public class Work4 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNextInt()) {

            int n = sc.nextInt();
            int i = 0;
            int j = 0;
            for (i = 0; i < n; i++) {
                for (j = 0; j < n; j++) {
                    if (j == i || j == n - 1 - i) {
                        System.out.print('*');
                    } else {
                        System.out.print(' ');
                    }
                }
                System.out.println();
            }
        }
    }
}
